Jaq was dancing with Alex as I watched on.The music changed to a slow number and I could see Alex had his hand up Jaq's short skirt. I could tell she ...as enjoying herself as she glanced over and winked at me.The music stopped at ten thirty due to noise levels and the neighbours. Jaq came over and whispered to me that she was very aroused and needed to play. Now I knew Alex was bi-sexual and he said would love to come back to ours for a little playtime. A little while later, the three of us were. “Mark?” she smiles coyly.“None of that, young lady. Mark’s Brooke’s. And he’s hardly that attractive anyway, objectively speaking.” Mom says, glancing at you during the last part, oddly enough. Vanessa shrugs.“Surely if I can get him, then he’s not good for Brooke, right? I’m being helpful!” Vanessa insists, and Mom considers this.“Knock yourself out.” Mom relents. Vanessa fist pumps.At dinner, at a pizza joint, you, Mom, and Vanessa walk in to see Brooke and Gemma at a table, no Mark in. He asked me if I will feel hurt if he puts his fingers inside me. I said I am all yours… put whatever you want anywhere. He softly pushed 2 fingers in my pussy and kept on kissing me. I was feeling great but then the door bell rang and within 30 seconds we had to be back in normal condition. Then he started calling me on phone and we had hone sex. One day he called me from his office and said his wife (my boss) has gone with both the children to her mom’s place for 2 days and her secretary is. " Okay, step-sis," he moaned, before licking my nipple yet again.I had to lean my head back and endured the thrills again. Even from his inexperienced mouth, he managed to woo me beyond I possibly could imagine. He didn't pressure my nipples too much, but gently licked them and tickled me too.So, that got my slit to unload so much juice, his blankets and sheets were soiled entirely, but I knew he liked that. He made sure to pay equal attention to both of my tits and lick both nipples.